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PDF NV8A Data sheet ( Hoja de datos )
| Número de pieza | NV8A | |
| Descripción | Filtering signal conditioner | |
| Fabricantes | Seika | |
| Logotipo |  |
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NV8a
Filtering signal conditioner
for sensor signal matching
with an asymmetric 0…5V
output voltage
Features
• low noise and low drift
• no stabilized supply voltage necessary
• integrated reverse polarity protection
• outputs are short circuit proof
• highly stable supply voltage for sensor
operation
• protection against reverse polarity of sen-
sor connection
• zero position and gain adjustable via po-
tentiometers
• electronic components hermetically sealed
• optionally frequency programmable, active
4th order low pass filter
• optional high pass filter
• different connector options
Description
The NV8a amplifies, filters and normalizes the output signals of SEIKA sensors. The asymmetric output
signal enables unproblematic, subsequent signal processing with standard measuring equipment, such as
oscilloscopes, transient recorders, A/D converters, multimeters, etc., operating with this asymmetric signal
level.
The NV8a requires a non-stabilized supply voltage in the range of 8…30 Volt. The NV8a provides a highly
stable 5V voltage with short circuit current limitation as a sensor supply voltage.
Multiple internal switching variants allow for optimal adaptation of signal processing parameters, such as
settling time, filter cut-off frequencies and amplification and zero point adjustment, to the measuring task.
Application
The NV8a has its application anywhere a SEIKA sensor is, without great expenditures and under optimal
compatibility, to be connected to application specific measuring equipment and subsequent adjustment of
amplification and zero position are necessary. The use of an asymmetric output voltage requires minimal
electronics for further signal processing.
Technical Specifications
Dimensions
Supply voltage
Current drawn excluding sensor
Operating temperature
Internally generated sensor supply voltage
Temperature drift of sensor supply voltage
Maximum output voltage range
Output signal range
Zero offset range
Output impedance
Signal-to-noise ratio
Signal-to-noise ratio with standard sensors
see dimension drawing
+8...+30 Volt (reverse polarity protected to -70Volt)
approx.10 mA
-40...+85°C
+5,00 Volt
20ppm / Kelvin
+0,05 ... +4,95 Volt
2,5±2 Volt
2,4...2,6 Volt (larger ranges, e.g. for B1 in Z direc-
tion on request)
approx.100 Ω
30µVs.s.
approx. 80dB
SEIKA Mikrosystemtechnik GmbH * Ellharter Str.10 * D-87435 Kempten * Tel: 0831-25532 Fax: 0831-25534
Tope Co., Ltd. Tel: (02) 8228-0658 Fax: (02) 8228-0659 httrp://www.sensor.com.tw e-mail: [email protected]
(7/2001) - NV 5 -
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet NV8A.PDF ] | |
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